[PATCH v4 7/8] xen/balloon: try to merge system ram resources
From: David Hildenbrand <hidden>
Date: 2020-09-11 10:37:02
Also in:
linux-acpi, linux-hyperv, linux-mm, linux-s390, lkml, nvdimm, xen-devel
Subsystem:
the rest, xen hypervisor interface · Maintainers:
Linus Torvalds, Juergen Gross, Stefano Stabellini
Let's try to merge system ram resources we add, to minimize the number of resources in /proc/iomem. We don't care about the boundaries of individual chunks we added. Reviewed-by: Juergen Gross <jgross@suse.com> Cc: Andrew Morton <redacted> Cc: Michal Hocko <mhocko@suse.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Juergen Gross <jgross@suse.com> Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: Roger Pau Monné <roger.pau@citrix.com> Cc: Julien Grall <redacted> Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com> Cc: Baoquan He <bhe@redhat.com> Cc: Wei Yang <redacted> Signed-off-by: David Hildenbrand <redacted> --- drivers/xen/balloon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 9f40a294d398d..b57b2067ecbfb 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c@@ -331,7 +331,7 @@ static enum bp_state reserve_additional_memory(void) mutex_unlock(&balloon_mutex); /* add_memory_resource() requires the device_hotplug lock */ lock_device_hotplug(); - rc = add_memory_resource(nid, resource, MHP_NONE); + rc = add_memory_resource(nid, resource, MEMHP_MERGE_RESOURCE); unlock_device_hotplug(); mutex_lock(&balloon_mutex);
--
2.26.2
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